1/**************************************************************************
2 *
3 * Copyright 2009 Chia-I Wu <olvaffe@gmail.com>
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29#ifndef EGLMUTEX_INCLUDED
30#define EGLMUTEX_INCLUDED
31
32#include "eglcompiler.h"
33
34#ifdef HAVE_PTHREAD
35#include <pthread.h>
36
37typedef pthread_mutex_t _EGLMutex;
38
39static INLINE void _eglInitMutex(_EGLMutex *m)
40{
41   pthread_mutex_init(m, NULL);
42}
43
44static INLINE void
45_eglDestroyMutex(_EGLMutex *m)
46{
47   pthread_mutex_destroy(m);
48}
49
50static INLINE void
51_eglLockMutex(_EGLMutex *m)
52{
53   pthread_mutex_lock(m);
54}
55
56static INLINE void
57_eglUnlockMutex(_EGLMutex *m)
58{
59   pthread_mutex_unlock(m);
60}
61
62#define _EGL_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
63#define _EGL_DECLARE_MUTEX(m) \
64   _EGLMutex m = _EGL_MUTEX_INITIALIZER
65
66#else
67
68typedef int _EGLMutex;
69static INLINE void _eglInitMutex(_EGLMutex *m) { (void) m; }
70static INLINE void _eglDestroyMutex(_EGLMutex *m) { (void) m; }
71static INLINE void _eglLockMutex(_EGLMutex *m) { (void) m; }
72static INLINE void _eglUnlockMutex(_EGLMutex *m) { (void) m; }
73
74#define _EGL_MUTEX_INITIALIZER 0
75#define _EGL_DECLARE_MUTEX(m) \
76   _EGLMutex m = _EGL_MUTEX_INITIALIZER
77
78#endif
79
80#endif /* EGLMUTEX_INCLUDED */
81